Home / 53,360.40-79,984.98-20,057.52

Finding the Fourth Proportional to 53,360.40, 79,984.98 and 20,057.52

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Solution

The fourth proportional to 53,360.40, 79,984.98 and 20,057.52 is: 30,065.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.40 : 79,984.98 = 20,057.52 : x
  2. Step 2: Convert to fraction form
    53,360.40/79,984.98 = 20,057.52/x
  3. Step 3: Cross multiply
    53,360.40x = 79,984.98 × 20,057.52
  4. Step 4: Simplify right side
    53,360.40x = 1,604,300,336.05
  5. Step 5: Solve for x
    x = 1,604,300,336.05/53,360.40
  6. Step 6: Final answer
    x = 30,065.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.